Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 4.72
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -3.15 -0.375 1.18
Prot (kg) -5.68 -0.441 2.51
Fertility Sub Index -14.02
Calving Interval (days) 7.48 -1.459 -10.91
Survival (%) -2.78 1.117 -3.11
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index -0.65
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 4.57 -0.432 -1.97
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index -8.07

* Based on an €80/tonne carbon price